pppd chat scripts

Hi there, by public demand, and with all credit due to WinnerGold, here are the chat scripts used by us to connect 3G USB modems on the Adam.

/etc/ppp/gprs-connect-chat—-

ABORT ‘BUSY’
ABORT ‘NO CARRIER’
ABORT ‘ERROR’
ABORT ‘+CME ERROR: 100’
SAY “GPRS modem init: press <ctrl>-C to disconnect\n”
“” AT
OK AT
OK ATDT#777
CONNECT
——

/etc/ppp/peers/gprs—–

/dev/ttyUSB0
115200
nocrtscts
nocdtrcts
local
usepeerdns
defaultroute
noipdefault
ipcp-accept-local
ipcp-accept-remote
user YOURUSERID
password YOURPASSWORD
debug
kdebug 7
#connect “/usr/sbin/chat -v -t 50 -f /etc/ppp/chat/cmtc-isp”
connect “/system/bin/chat-ril -v -t 500 -s -f /etc/ppp/gprs-connect-chat”

—–

/etc/ppp/ip-up—–

#!/system/bin/sh
case $1 in
ppp1)
/android/bin/iptables –flush;
/android/bin/iptables –table nat –flush;
/android/bin/iptables –delete-chain;
/android/bin/iptables –table nat –append POSTROUTING –out-interface ppp0 -j MASQUERADE;
/android/bin/iptables –append FORWARD –in-interface ppp1 -j ACCEPT;
echo 0 > /proc/sys/net/ipv4/ip_forward;
echo 1 > /proc/sys/net/ipv4/ip_forward;
echo $PPPD_PID > /etc/ppp/ppp1.pid;
;;
ppp0)
echo $PPPD_PID > /data/ppp/ppp0.pid;
;;
esac

# Use interface name if linkname is not available
NAME=${LINKNAME:-“$1”}

/system/bin/setprop “net.$NAME.dns1” “$DNS1”
/system/bin/setprop “net.$NAME.dns2” “$DNS2”
/system/bin/setprop “net.$NAME.local-ip” “$IPLOCAL”
/system/bin/setprop “net.$NAME.remote-ip” “$IPREMOTE”
/system/bin/setprop “net.$NAME.gw” “$IPREMOTE”

/system/bin/setprop “net.dns1” “$DNS1”
/system/bin/setprop “net.dns2” “$DNS2”
counter=`/system/bin/getprop net.dnschange`
counter=$[counter+1]
/system/bin/setprop “net.dnschange” $counter

—–

Use them together. Use them in peace.